EP 2108815 A3 20150624 - Hub pitch gear repair method
Title (en)
Hub pitch gear repair method
Title (de)
Nabenverstellgetriebe-Reparaturverfahren
Title (fr)
Procédé de réparation d'engrenage à pas de moyeu
Publication
Application
Priority
US 4007508 A 20080229
Abstract (en)
[origin: US2009220343A1] A method for repairing a hub pitch gear assembly. The method includes providing a ring assembly for adjusting a pitch angle of a wind turbine blade having a plurality of gear teeth. A segment of the ring assembly is removed, the segment including at least a portion of at least one gear tooth, to form a repair cavity. A repair segment configured to mate the repair cavity is provided and the repair segment is directed into the repair cavity and fastened in position. A repaired pitch gear assembly and wind turbine are also disclosed.
IPC 8 full level
F03D 1/00 (2006.01); F16H 55/12 (2006.01); F16H 55/17 (2006.01)
CPC (source: EP US)
F03D 80/50 (2016.05 - EP US); F16H 55/12 (2013.01 - EP US); F16H 55/17 (2013.01 - EP US); F16H 2055/175 (2013.01 - EP US); Y02E 10/72 (2013.01 - EP US); Y10T 29/49735 (2015.01 - EP US); Y10T 74/1967 (2015.01 - EP US)
Citation (search report)
- [XA] US 1648550 A 19271108 - ADAM KANTOR
- [A] US 6071204 A 20000606 - JEFFERIES ROBERT ANDRE [CA], et al
- [A] US 1323962 A 19191202
- [A] US 4465411 A 19840814 - BOYCE JR CLARENCE A [US], et al
- [A] EP 1571334 A1 20050907 - GAMESA EOLICA S A SOC UNIPERSO [ES]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
US 2009220343 A1 20090903; US 8287238 B2 20121016; CA 2655691 A1 20090829; CA 2655691 C 20140708; CN 101518842 A 20090902; CN 101518842 B 20141126; EP 2108815 A2 20091014; EP 2108815 A3 20150624; EP 2108815 B1 20161214
DOCDB simple family (application)
US 4007508 A 20080229; CA 2655691 A 20090226; CN 200910007905 A 20090225; EP 09250444 A 20090220